will a dohc zc fit in my crx si?

[tequila_man]

ive got a 86 crx that ive had for about a yr now and im wondering if i can put a 88-91 zc motor in it, but im not really sure exactly how hard thats gonna be. the cars got 251k+ miles on it, and it still runs like a top!!!! if that wont fit, then im lookin at a b16 for it. and if all else fails.... ive got a friende who owns a machine shop who can do up my ew4. would someone be so kind as to shed some light on this for me???

[lxndr]

'86-'89 Integra DOHC D16A1-ZC bolts in with minor modifications. Hasport sells a kit to swap in a B-series.